US1054658A - Machine for sewing looped fabric. - Google Patents
Machine for sewing looped fabric. Download PDFInfo
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- US1054658A US1054658A US49699509A US1909496995A US1054658A US 1054658 A US1054658 A US 1054658A US 49699509 A US49699509 A US 49699509A US 1909496995 A US1909496995 A US 1909496995A US 1054658 A US1054658 A US 1054658A
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- looper
- machine
- thread
- tongue
- needle
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B7/00—Linking machines, e.g. for joining knitted fabrics
Definitions
- Tr/,U rizo/n ⁇ 1'2 '//tf/I//Af'on/'cr'n.' ln the accompanying drawings:lfigure ig-lie it known .that l.' Ilnwix Davis. a ⁇ citizen of the lvmted States. residing at. Paducah. in the eount- ⁇ v of Mctracken and tateof Kentucky. have invented a new" ,and vuseful Machine for Sewing liooped lFal'nfje, of ywhich the following is a specili- Lmation. i if "'lfhislinvention relates to looper machines lrrofithat type employed for uniting knitfab vric, wherein the. needle is passed outward fronrthe basel or shank of the points on.
- ⁇ Y provide a novel form of looper and looper actuating'mechanism which may be lnade in 30.*ithe ⁇ nature of an attachment and applied to existing niachines. VA-still further object, of the invention is to prevent the toi-mation of tight' stitches such as would render the. fabric inelastic.
- a still further object of the invention isto lprovide a fixed member which is arranged inthe path of the looper and is designed by engagement with the looper thread to draw L therme-rions stitch taut, said member haria 13 rraing'ed tobe. included in the stitch so that 23j, f,hereinafter fully describethillustrated in tfho ⁇ aceomlmnying drawings7 and precede- .10 .ularlj' -pointedout in the. appended claims, qitjbeing understood that ⁇ various changes lriif'the form7 proportions, size. and minor details of the structure may be made without. 'departing from the spirit. or sacrificing any 5 of the advantages ot' the invention..
- Fig. l is a side elevation of lthe machine.
- Fig. -t a plan view ot.' the same.
- Figs. t a'nd T are diagrams in perspective. illustrating the operation of the machine.
- Fig. S is a plan view ofthe diagrammatical course followed b v the looper in a horizontal plane.
- Fig. i) is a transverse .sectional view vthrough a portion of the machine ⁇ showing the diagramma!ical course followed bv the looper in' a vertical plane.
- Fg. It shows the stitch.
- Fig. ll is a view similar to Fig. -i but illustrating some modifications in the struct-ure.
- Fig. 12 is a view similar to Fig. l.
- apower shaft (l from which all oll the opemting parts reeei've mot-ion, and in advance of thepower shaft is supported a lneedle bar l) carrying a curved needle ll which traverses the small grooves formed in the upper faces of the points from the brass or shanli' of each point. and passes hrough the two loops of the sections of fabric which are to be united,k the needle thread being carried through these loops and being then engaged h the looper which lforms the subject of the present, invention.'
- the. base plate l0 ofthe at- Fig. i is a side elevation ofl i tachiiieiit.
- This base plate is provided with a pair of vertically disposed standards 11 having bearings for the reception of a slidable bar 12, While the upper ends of the standards are connected by a small cross bar 13.
- One end of the bar 12 is arranged to'extend over and beyond the circular row of points and carries an enlarged head 15 that is engaged by a cam 16 which is placed on the shaft C, this cani being substituted for the cam which is ordinarily7 employed for the operation of the looper in the commercial machine.
- a block 17 Secured rigidly to tliebar 12 is a block 17 having an upwardly extending arni 18 the upper surface ot' which is provided with l a' groove for the reception of the bar 13 so that the block and barl 12 will be held from rotative movement, and can only move in the' direction of the length of said bar 12.
- the block further carries an arnil9 that is connected by a tension spring to a stud 21 on one of the standards, this spring serving to maintain the head of the bar in constant engagement with the periphery of the actuating cam.
- the front vface of the bar 18 has a circlilar recess in which is pivotally mounted a pin 22 carrying a bracket 23tlirougli which -xtendg ak pivot pin 24, the axis of the latter being ina plane at a right angle to the axis of the pin .22. ⁇
- Pivotedon the pin 24 is a looper carrying lever 26 having a rearwardly extending arm 27 that is connected by a s ring 28 to the arm 19.
- a loo er bar 29 which carries the looper 30.
- lV ounted on the lever 26 is a block 31 the outer and lower faces of which are arranged to be acted u on by cams 32 and 83 respectively, ⁇ and t ese cams scrve'to move the looper in the necessary course as the bar 12 is reciprocated by the looper cam 16.
- the tension spring 28 is so arranged as to hold the bottom of the blockV l31 down against the cam'33 and the outer face of the block against the vertical surface of the cani 32 and the lever 26 is free to swing on the pin 24 in a horizontal lane, and on pin 22 in a vertical plane so t iat it is practically mounted ⁇ for universalmovement.
- a throat plate 40 Secured to the outer portion. of the external frame is a throat plate 40 that projects over the line of the points and has ⁇ -a tapered tongue pointing in the direction in which 'the inachinerotates and extending over that portion of the points on which the stitches are formed the function of this tongue being to assist in holdin' the loop for the passage of the needle an to retain the loop until during the Voperation of the machine the loop is withdrawn from its end Point.
- theside of the tongue is a guard finger ln operation the needle passes through the two loops of the fabric to be united and carries its thread to a point some distance bevond the brass approximately to theposition shown in Fig.
- the looper As the looper continues its inward movement it travels iu a horizontal plane ina direction toward the rod of the tongue 10 and thence downward and inward andfforward, or in the'direction of rotation of the machine until it reaches the posit-ions shown iii Figs. 7 4and 9, at which time the loop or thread will be bent oveithe tongue and heldin position for the passage of the needle which by this time has completed its backward movement and is again starting the forward thrust to pass through the next twoloops ofthe fabric on the next succeeding point ofthe machine. So that the needle thread is carried first through the loop thread l (see Fig. 10,) then through the two loops 2 and 3 of the knitted fabric t0 be united.
- the looper bar differs but slig ltly from that shown in Figs. 3- end 4in that the portion carrying thelooper head is returned ai short distance along the bar 29 but spacetf'v therefrom.
- i Furtliermore,tlielooper head has i a transverse thread receiving eye 42 as indi-V- cated in Fig. 17 and at a distance therefrom another eye 111:3, the two eyesl being joined by a groove -ll for the reception of the thread along one side of the steni carrying the head 30'.
- the bent portion of the bai' 29 where it ⁇ ioins the shank of the bar is also provided with an eye 45 through which the thread is tirst passed to be then carried through the eye Il then along the groove at-l and finally through the eye l2 from whence the thread passes to the fabric being operated on.
- l ⁇ he guard linger Jfl or 41 extends over the point of the tongue of throat plate ett) or 40, and is adapted to prevent any accidental slipping orv disengagement of the loop on the latter during the time it is drawn and Ylielu in position for the passage of the needle.
- l ⁇ he throat plate 40 and guard finger 41 mayv be replaced by a throat plate 40 and guard finger L11, as indicated in Fig. 16.
- the stitch formed by the structures of l ⁇ igs. 11 and 1Q and the thread carrying looperl differs from that of-Fig. 10 in that the extra thread carried by the looper forms a lock chain stitch which greatly strengthens the junction and preyents ripping.
- the stitch is. shown in Fig. t8 where the extra thread carried bv the looper is indicated at 4,
- the throat plates 10, and 40' terminate in tapered stitch carrying lingers extending in a horizontal plane parallel with and in close proximity to a plurality of the sibjacentimpaling pins and are adapted to ride upon the adjacent loops of fabric to be united thereon.
- the thread needle and looper are adapted to pass beneath and over the stitch 'carrying tongue portion 110, respectively, forming a chain of stitches about said stitch carrying tongue portion and through the sulrgiacent loops of fabric on the iinl'ialing pins as illustrated most clearly in Figsrt, '7, 13, lil, and 15 of the drawings, and it will be observed that in Figs. 13, 14, and 15, the looper is of the thread carrying type, and that the tongue portion 40 is arranged above and below the paths of travel of said thread needle and looper.
- the stitch carrying tongue t0 is provided with an offset or vshoulder portion 40D, and the thread needle is adapted to pass beneatli the shank portion of the stitch carrying tongue. at the rear of the shoulder portion 40, and about which the loops are inil tially yformed by the i'noveinents of ythe ytlir ad needle and looper.
- a machine of the class described the con'ibination with the points and sewing needle, of a looper, and a slack-forming means vcomprising a throat, plate with a tapered tongue extending ,overv the points, and a gua rd finger overlying the point of the tongue.
- a looper1 a looper carrying lever, a bracket on which the lever is pivoted, a" reciprocatory block, to which the bracketl is pivoted, the two pivots being disposed atan angle to .the looper.
- a block secured to the bar and slotted for the reception of the rod, a spring tending to hold said v bloekin one direction, a bracket pivoted to theA block, a lever pivoted to the bracket, the two pivots being at a right angle to each other, a pair of stationary cams, a wear block mounted on the lever and means tending to hold the wear block'across said stationary cams.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
E. 0. DAVIS.
MACHINE FOR SEWING' LOOPED FAB-RIC.
APPLICATION FILED MAY 19, 1909.
y K A 1,054,658, melma Feb. 2U, 1,9m.
6 SHEETS-SHEET 1.
E. 0. DAVIS. MAc'HxNB PoR SEWING LooPED FABRIC.
APPLICATION FILED 'MAY 19, 1909.
"Patented Feb. 25, 1913.
6 SHEETS-SHEET 2.
E. 0. DAVIS.
MACHINE PoR SEWING LOOPED FABRIC.
APPILIGATIOII FILED MAY 1e, '1909.
Patented Feb. 25, 1913.
6 SHEETS-SHEET@- E. 0. DAVIS. MACHINE FOR SEWING LOOPED FABRIC.
APPLIQATION FILED MAY 19, 1909.
1,054,658. Patented Feb. 25, 1913.
E. O. DAVIS.
MACHINE FOR SEWING LOOPBD FABRIC.
APPLICATION FILED MAY 19. 1909.
Patented Feb. 25, 1913.
6 SHEETS-SHEET 5.
3 vwa n to z frame,
PATENT oir-*Fien et i l l EDWIN o. DAVIS, 0E PADUCAH. KENTUCKY.
*ixorireri's Patent-ed een. 25.1913. "t Application filed may 19.1909. seria1N0.496.995.
Tr/,U rizo/n `1'2 '//tf/I//Af'on/'cr'n.' ln the accompanying drawings:lfigure ig-lie it known .that l.' Ilnwix Davis. a `citizen of the lvmted States. residing at. Paducah. in the eount- \v of Mctracken and tateof Kentucky. have invented a new" ,and vuseful Machine for Sewing liooped lFal'nfje, of ywhich the following is a specili- Lmation. i if "'lfhislinvention relates to looper machines lrrofithat type employed for uniting knitfab vric, wherein the. needle is passed outward fronrthe basel or shank of the points on.
L l wliiehthe fabric is simportd.
.' fhelmaeh'ine to which the present invenl5 ion applied Vis full)Y shown and described r`invUnited States Letters Patent. Xo. 273.149 issuevdto William learson on February 2T.
:'flhe'principal object. of the present inven- 20 tion 'is to provide a novel form of looper andulooper actuating means yof such coni'fstruetion as to insure the catching of the `needle thread. the formation of the loop and the presentation of such loop in position for 254 vthe.passage of the needle at the next opera- ,ttion Amfurther object of the invention is. to
` Yprovide a novel form of looper and looper actuating'mechanism which may be lnade in 30.*ithe `nature of an attachment and applied to existing niachines. VA-still further object, of the invention is to prevent the toi-mation of tight' stitches such as would render the. fabric inelastic.
A still further object of the invention isto lprovide a fixed member which is arranged inthe path of the looper and is designed by engagement with the looper thread to draw L therme-rions stitch taut, said member heilig 13 rraing'ed tobe. included in the stitch so that 23j, f,hereinafter fully describethillustrated in tfho` aceomlmnying drawings7 and partie- .10 .ularlj' -pointedout in the. appended claims, qitjbeing understood that` various changes lriif'the form7 proportions, size. and minor details of the structure may be made without. 'departing from the spirit. or sacrificing any 5 of the advantages ot' the invention..
specincaiion of Leiters Patent.
whenthe fabric is withdrawn the stitch will' i MACHINE FOR `SIEW'INGr LOOPED ABRIC.
't is a plan view `of a looper machine provided -with a looper and looper actuating mechanism constructed in accordance with the invention. Fig. l is a side elevation of lthe machine.
the looper attachment drawn tio-an enlarged scale. Fig. -t a plan view ot.' the same. Figs. t a'nd T are diagrams in perspective. illustrating the operation of the machine. Fig. S is a plan view ofthe diagrammatical course followed b v the looper in a horizontal plane. Fig. i) is a transverse .sectional view vthrough a portion of the machine` showing the diagramma!ical course followed bv the looper in' a vertical plane. Fg. It) shows the stitch. Fig. ll is a view similar to Fig. -i but illustrating some modifications in the struct-ure. Fig. 12 is a view similar to Fig. l. being a` plan view of the strueture shown in Fig. ll. Figs. lli, 14 and l5 are perspee! rlhemaehine illustrated in the aceompany- .ing drawings is of that. general type .shown in Ithe Letters latent hereinlnfore referred to and includes in its construction a suitable 'support A, carrying a lbrass with points l, on which the looped fabrics to be united are supported. i
At. one side of the machine is arranged apower shaft (l from which all oll the opemting parts reeei've mot-ion, and in advance of thepower shaft is supported a lneedle bar l) carrying a curved needle ll which traverses the small grooves formed in the upper faces of the points from the brass or shanli' of each point. and passes hrough the two loops of the sections of fabric which are to be united,k the needle thread being carried through these loops and being then engaged h the looper which lforms the subject of the present, invention.'
Secured to -the central stationary plate. of `the machine 1s the. base plate l0 ofthe at- Fig. i is a side elevation ofl i tachiiieiit. This base plate is provided with a pair of vertically disposed standards 11 having bearings for the reception of a slidable bar 12, While the upper ends of the standards are connected by a small cross bar 13. One end of the bar 12 is arranged to'extend over and beyond the circular row of points and carries an enlarged head 15 that is engaged by a cam 16 which is placed on the shaft C, this cani being substituted for the cam which is ordinarily7 employed for the operation of the looper in the commercial machine. i
Secured rigidly to tliebar 12 is a block 17 having an upwardly extending arni 18 the upper surface ot' which is provided with l a' groove for the reception of the bar 13 so that the block and barl 12 will be held from rotative movement, and can only move in the' direction of the length of said bar 12. The block further carries an arnil9 that is connected by a tension spring to a stud 21 on one of the standards, this spring serving to maintain the head of the bar in constant engagement with the periphery of the actuating cam.
The front vface of the bar 18 has a circlilar recess in which is pivotally mounted a pin 22 carrying a bracket 23tlirougli which -xtendg ak pivot pin 24, the axis of the latter being ina plane at a right angle to the axis of the pin .22.` Pivotedon the pin 24 is a looper carrying lever 26 having a rearwardly extending arm 27 that is connected by a s ring 28 to the arm 19. At the front end o the lever is secured a loo er bar 29 which carries the looper 30. lV ounted on the lever 26 is a block 31 the outer and lower faces of which are arranged to be acted u on by cams 32 and 83 respectively,`and t ese cams scrve'to move the looper in the necessary course as the bar 12 is reciprocated by the looper cam 16. It will be seen that the tension spring 28 is so arranged as to hold the bottom of the blockV l31 down against the cam'33 and the outer face of the block against the vertical surface of the cani 32 and the lever 26 is free to swing on the pin 24 in a horizontal lane, and on pin 22 in a vertical plane so t iat it is practically mounted `for universalmovement.
Secured to the outer portion. of the external frame is a throat plate 40 that projects over the line of the points and has`-a tapered tongue pointing in the direction in which 'the inachinerotates and extending over that portion of the points on which the stitches are formed the function of this tongue being to assist in holdin' the loop for the passage of the needle an to retain the loop until during the Voperation of the machine the loop is withdrawn from its end Point. .At theside of the tongue is a guard finger ln operation the needle passes through the two loops of the fabric to be united and carries its thread to a point some distance bevond the brass approximately to theposition shown in Fig. 5; as the needlestarts to retreat the slack of the thread is caught by the looper and the latter then follows the course dictated by the two cams 32 and The iinweiiieiit in a horizontal plane is indicated by the dotted line w in Fig. 8 and the movement in a vertical plane is indicated by the dotted line y in Fig. 9. This compound movement is necessary for the purpose of clearing the needle and carrying the loop [ii-st upward and then inward over the points and over the tongue L10, the main position being shown in the diagram Fig. G and the'dot-ted positions z in Fig. 9. As the looper continues its inward movement it travels iu a horizontal plane ina direction toward the rod of the tongue 10 and thence downward and inward andfforward, or in the'direction of rotation of the machine until it reaches the posit-ions shown iii Figs. 7 4and 9, at which time the loop or thread will be bent oveithe tongue and heldin position for the passage of the needle which by this time has completed its backward movement and is again starting the forward thrust to pass through the next twoloops ofthe fabric on the next succeeding point ofthe machine. So that the needle thread is carried first through the loop thread l (see Fig. 10,) then through the two loops 2 and 3 of the knitted fabric t0 be united. As the loop is carried inward over the tongue the thread is drawn taut at the preceding loop but as the tongue is stillincluded in this preceding loop the thread cannot be drawn so tight as to render the t'abric inelastic in this point and, as a mattei' of fact, the `needlev thread occupied b y the tongue will be sutlicient to make the garment as elastic at the seam as at any'o'ther point.
30. The looper bar differs but slig ltly from that shown in Figs. 3- end 4in that the portion carrying thelooper head is returned ai short distance along the bar 29 but spacetf'v therefrom. i Furtliermore,tlielooper head has i a transverse thread receiving eye 42 as indi-V- cated in Fig. 17 and at a distance therefrom another eye 111:3, the two eyesl being joined by a groove -ll for the reception of the thread along one side of the steni carrying the head 30'. The bent portion of the bai' 29 where it `ioins the shank of the bar is also provided with an eye 45 through which the thread is tirst passed to be then carried through the eye Il then along the groove at-l and finally through the eye l2 from whence the thread passes to the fabric being operated on. l`he guard linger Jfl or 41 extends over the point of the tongue of throat plate ett) or 40, and is adapted to prevent any accidental slipping orv disengagement of the loop on the latter during the time it is drawn and Ylielu in position for the passage of the needle.
l`he throat plate 40 and guard finger 41 mayv be replaced by a throat plate 40 and guard finger L11, as indicated in Fig. 16.
The stitch formed by the structures of l `igs. 11 and 1Q and the thread carrying looperl differs from that of-Fig. 10 in that the extra thread carried by the looper forms a lock chain stitch which greatly strengthens the junction and preyents ripping. The stitch is. shown in Fig. t8 where the extra thread carried bv the looper is indicated at 4,
The throat plates 10, and 40', terminate in tapered stitch carrying lingers extending in a horizontal plane parallel with and in close proximity to a plurality of the sibjacentimpaling pins and are adapted to ride upon the adjacent loops of fabric to be united thereon.
The thread needle and looper are adapted to pass beneath and over the stitch 'carrying tongue portion 110, respectively, forming a chain of stitches about said stitch carrying tongue portion and through the sulrgiacent loops of fabric on the iinl'ialing pins as illustrated most clearly in Figsrt, '7, 13, lil, and 15 of the drawings, and it will be observed that in Figs. 13, 14, and 15, the looper is of the thread carrying type, and that the tongue portion 40 is arranged above and below the paths of travel of said thread needle and looper.
ln the form shown in Figs. 13, 14A, 15, and 16, the stitch carrying tongue t0 is provided with an offset or vshoulder portion 40D, and the thread needle is adapted to pass beneatli the shank portion of the stitch carrying tongue. at the rear of the shoulder portion 40, and about which the loops are inil tially yformed by the i'noveinents of ythe ytlir ad needle and looper. As the loops arev being formed on the slightly elevated shoulder' portion 40h, eacliloo-p `as drawn taut by the forn'iationfof the next 'succeeding loops is drawn or carried down toy ,and follows upon the depressed stitch carrying tongue 40a, (see Fig. (3) thus 'forming a chain of stitches of uniform thickness and formation tlirougluiut. 'As the depressed' portion 110 included in said chain of stitches rests on the ad]acent loops of fabric united by said vstitches and extends in the direction of travel as carried by the subjacent iinpaling pins,v said chain of stitches are carried 'along said depressed portion 40, and with the adjacent loops of fabric included in said chain of stitches whereby the latter are carried off of the free end of said stitch carrying tongue in the foi-1n of an elastic chain of stitches uniting the adjacent edges of the fabric by what may beternied a "two-thread overhorizontal plane above. a plurality of said impaling pins and carried above a plurality of the loopsof fabric united on said impaling pins by Said reciprocating thread needle and looper, and a guard finger extending over the point of said stitch carrying tongue 2. 1n a sewing machine, the combination with a series of impaling pins and a reciprocating thread needle and thread carrying looper; of a stitch carrying tongue havinga portion arranged above and below the path` of travel of said reciprocating thread needle and looper, respectively, said tongue extending from the zone of the formation ofsaid stitches and being included in a chain of elastic stitches uniting the subjacent loops of fabric on said inipaling pins, and a guard linger extending over the point of said stitch carrying tongue.
ln a machine of the class described, the con'ibination with the points and sewing needle, of a looper, and a slack-forming means vcomprising a throat, plate with a tapered tongue extending ,overv the points, and a gua rd finger overlying the point of the tongue.
4. In a machine of the class described, the combination with the points, and needle,of a looper, a looper carrying lever mounted for universal movement, a carrier for the lever, means for reciprocating the carrier and sta,`
'tionary caiis for directing the course of the lover and' looper.
, 5. ln a machine of theclass described, the combination with the points, and needle, of
a looper1 a looper carrying lever, a bracket on which the lever is pivoted, a" reciprocatory block, to which the bracketl is pivoted, the two pivots being disposed atan angle to .the looper.
each other, means for 'reciprocating the block, and Stationary cams fordirecting'the course of travel of the lever and looper.
6. In a machine of the class described, the combination with the points, and needle, of a looper, a lever carrying the looper, a reciprocator'y block on which the lever is mounted for universal movement, means for actuating the block, a wear block carried by the lever, and stationary cams arranged to engage said block and direct the course of 72 A'looper machine attachment comprising a base, standards on the base, a reclprocatory bar mounted in said standards,
guiding rod on the standards, a block secured to the bar and slotted for the reception of the rod, a spring tending to hold said v bloekin one direction, a bracket pivoted to theA block, a lever pivoted to the bracket, the two pivots being at a right angle to each other, a pair of stationary cams, a wear block mounted on the lever and means tending to hold the wear block'across said stationary cams.
In testimony my own, I have hereto affixed my signature in the presence of two witnesses.
EDWIN O. DAVIS.
`Witnesses:
JAMES S. CLIFFORD, EVALYN M. BOWEN.
that I claim the foregoing as
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49699509A US1054658A (en) | 1909-05-19 | 1909-05-19 | Machine for sewing looped fabric. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49699509A US1054658A (en) | 1909-05-19 | 1909-05-19 | Machine for sewing looped fabric. |
Publications (1)
Publication Number | Publication Date |
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US1054658A true US1054658A (en) | 1913-02-25 |
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US49699509A Expired - Lifetime US1054658A (en) | 1909-05-19 | 1909-05-19 | Machine for sewing looped fabric. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023720A (en) * | 1958-04-15 | 1962-03-06 | Frank E Underwood | Linking machines |
-
1909
- 1909-05-19 US US49699509A patent/US1054658A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023720A (en) * | 1958-04-15 | 1962-03-06 | Frank E Underwood | Linking machines |
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